Quick answers
- Does Kathleen Farrell accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen Farrell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kathleen Farrell see?
- In 2024, CMS data shows 135 Original Medicare patients and 1,322 services for Kathleen Farrell. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen Farrell's NPI number?
- 1033328430. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kathleen Farrell, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 135 |
|---|---|
| Services billed to Medicare | 1,322 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)275 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)193 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)163 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)81 services
- Admn sarscov2 vacc 1 dose (90480)73 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis37%
- Ischemic heart disease31%
- Osteoporosis31%
- Diabetes25%
Practice locations
Addresses where Kathleen Farrell is enrolled with Medicare (CMS data updated October 2, 2026).
- 4910 Massachusetts Ave NW, Suite 114 Grady Dc OfficeWashington, DC 20016 (202) 686‑0813
- 656 Quince Orchard Rd, Suite 100Gaithersburg, MD 20878 (301) 948‑8780
- 818 W Diamond Ave, Suite 130Gaithersburg, MD 20878 (301) 948‑8780
Group practices
Medicare enrollment lists Kathleen Farrell as a member of this group (CMS data updated October 2, 2026).
- Privia Care Center LLC287 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Other clinicians in Privia Care Center LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033328430 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians